Varul nestins se obtine prin descompunerea termica a calcarului. Calculati masa de calcar de puritate 90% necesara obtinerii a 1120 kg de var nestins , masa de var stins care se obtine din oxidul de calciu

What is the correct lewis structure for chloroform chcl3

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775